1 /* 2 * Copyright (C) 2008 Maarten Maathuis. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #ifndef __NOUVEAU_CONNECTOR_H__ 28 #define __NOUVEAU_CONNECTOR_H__ 29 30 #include <nvif/notify.h> 31 32 #include <drm/drm_crtc.h> 33 #include <drm/drm_edid.h> 34 #include <drm/drm_encoder.h> 35 #include <drm/drm_dp_helper.h> 36 #include <drm/drm_util.h> 37 38 #include "nouveau_crtc.h" 39 #include "nouveau_encoder.h" 40 41 struct nvkm_i2c_port; 42 struct dcb_output; 43 44 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT 45 struct nouveau_backlight; 46 #endif 47 48 #define nouveau_conn_atom(p) \ 49 container_of((p), struct nouveau_conn_atom, state) 50 51 struct nouveau_conn_atom { 52 struct drm_connector_state state; 53 54 struct { 55 /* The enum values specifically defined here match nv50/gf119 56 * hw values, and the code relies on this. 57 */ 58 enum { 59 DITHERING_MODE_OFF = 0x00, 60 DITHERING_MODE_ON = 0x01, 61 DITHERING_MODE_DYNAMIC2X2 = 0x10 | DITHERING_MODE_ON, 62 DITHERING_MODE_STATIC2X2 = 0x18 | DITHERING_MODE_ON, 63 DITHERING_MODE_TEMPORAL = 0x20 | DITHERING_MODE_ON, 64 DITHERING_MODE_AUTO 65 } mode; 66 enum { 67 DITHERING_DEPTH_6BPC = 0x00, 68 DITHERING_DEPTH_8BPC = 0x02, 69 DITHERING_DEPTH_AUTO 70 } depth; 71 } dither; 72 73 struct { 74 int mode; /* DRM_MODE_SCALE_* */ 75 struct { 76 enum { 77 UNDERSCAN_OFF, 78 UNDERSCAN_ON, 79 UNDERSCAN_AUTO, 80 } mode; 81 u32 hborder; 82 u32 vborder; 83 } underscan; 84 bool full; 85 } scaler; 86 87 struct { 88 int color_vibrance; 89 int vibrant_hue; 90 } procamp; 91 92 union { 93 struct { 94 bool dither:1; 95 bool scaler:1; 96 bool procamp:1; 97 }; 98 u8 mask; 99 } set; 100 }; 101 102 struct nouveau_connector { 103 struct drm_connector base; 104 enum dcb_connector_type type; 105 u8 index; 106 u8 *dcb; 107 108 struct nvif_notify hpd; 109 110 struct drm_dp_aux aux; 111 112 int dithering_mode; 113 int scaling_mode; 114 115 struct nouveau_encoder *detected_encoder; 116 struct edid *edid; 117 struct drm_display_mode *native_mode; 118 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT 119 struct nouveau_backlight *backlight; 120 #endif 121 /* 122 * Our connector property code expects a nouveau_conn_atom struct 123 * even on pre-nv50 where we do not support atomic. This embedded 124 * version gets used in the non atomic modeset case. 125 */ 126 struct nouveau_conn_atom properties_state; 127 }; 128 129 static inline struct nouveau_connector *nouveau_connector( 130 struct drm_connector *con) 131 { 132 return container_of(con, struct nouveau_connector, base); 133 } 134 135 static inline bool 136 nouveau_connector_is_mst(struct drm_connector *connector) 137 { 138 const struct nouveau_encoder *nv_encoder; 139 const struct drm_encoder *encoder; 140 141 if (connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort) 142 return false; 143 144 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANY); 145 if (!nv_encoder) 146 return false; 147 148 encoder = &nv_encoder->base.base; 149 return encoder->encoder_type == DRM_MODE_ENCODER_DPMST; 150 } 151 152 #define nouveau_for_each_non_mst_connector_iter(connector, iter) \ 153 drm_for_each_connector_iter(connector, iter) \ 154 for_each_if(!nouveau_connector_is_mst(connector)) 155 156 static inline struct nouveau_connector * 157 nouveau_crtc_connector_get(struct nouveau_crtc *nv_crtc) 158 { 159 struct drm_device *dev = nv_crtc->base.dev; 160 struct drm_connector *connector; 161 struct drm_connector_list_iter conn_iter; 162 struct nouveau_connector *nv_connector = NULL; 163 struct drm_crtc *crtc = to_drm_crtc(nv_crtc); 164 165 drm_connector_list_iter_begin(dev, &conn_iter); 166 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) { 167 if (connector->encoder && connector->encoder->crtc == crtc) { 168 nv_connector = nouveau_connector(connector); 169 break; 170 } 171 } 172 drm_connector_list_iter_end(&conn_iter); 173 174 return nv_connector; 175 } 176 177 struct drm_connector * 178 nouveau_connector_create(struct drm_device *, const struct dcb_output *); 179 180 extern int nouveau_tv_disable; 181 extern int nouveau_ignorelid; 182 extern int nouveau_duallink; 183 extern int nouveau_hdmimhz; 184 185 void nouveau_conn_attach_properties(struct drm_connector *); 186 void nouveau_conn_reset(struct drm_connector *); 187 struct drm_connector_state * 188 nouveau_conn_atomic_duplicate_state(struct drm_connector *); 189 void nouveau_conn_atomic_destroy_state(struct drm_connector *, 190 struct drm_connector_state *); 191 int nouveau_conn_atomic_set_property(struct drm_connector *, 192 struct drm_connector_state *, 193 struct drm_property *, u64); 194 int nouveau_conn_atomic_get_property(struct drm_connector *, 195 const struct drm_connector_state *, 196 struct drm_property *, u64 *); 197 struct drm_display_mode *nouveau_conn_native_mode(struct drm_connector *); 198 enum drm_mode_status 199 nouveau_conn_mode_clock_valid(const struct drm_display_mode *, 200 const unsigned min_clock, 201 const unsigned max_clock, 202 unsigned *clock); 203 204 #ifdef CONFIG_DRM_NOUVEAU_BACKLIGHT 205 extern int nouveau_backlight_init(struct drm_connector *); 206 extern void nouveau_backlight_fini(struct drm_connector *); 207 extern void nouveau_backlight_ctor(void); 208 extern void nouveau_backlight_dtor(void); 209 #else 210 static inline int 211 nouveau_backlight_init(struct drm_connector *connector) 212 { 213 return 0; 214 } 215 216 static inline void 217 nouveau_backlight_fini(struct drm_connector *connector) { 218 } 219 220 static inline void 221 nouveau_backlight_ctor(void) { 222 } 223 224 static inline void 225 nouveau_backlight_dtor(void) { 226 } 227 #endif 228 229 #endif /* __NOUVEAU_CONNECTOR_H__ */ 230